jQWidgets jqxCheckBoxGroup val()用法及代碼示例

jQWidgets是一個 JavaScript 框架，用於為 PC 和移動設備製作基於 Web 的應用程序。它是一個非常強大且優化的框架，獨立於平台，並且得到廣泛支持。這jqxCheckBoxGroupwidget 用於顯示一組複選框，允許用戶選擇或取消選擇複選框組。

val()方法用於設置或返回顯示的jqxCheckBoxGroup的值。它返回[]。

用法:

$("#jqxCheckBoxGroup").jqxCheckBoxGroup('val');

參數：

value:它是指定值參數，本質上是可選的。它的類型是[]。

鏈接文件：下載jQWidgets從給定的鏈接。在 HTML 文件中，找到下載文件夾中的腳本文件。

<link rel=”stylesheet” href=”jqwidgets/styles/jqx.base.css” type=”text/css” />
<link rel=”stylesheet” href=”jqwidgets/styles/jqx.energyblue.css”>
<script type=”text/javascript” src=”scripts/jquery-1.11.1.min.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcheckbox.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcheckboxgroup.js”></script>

示例 1：下麵的示例說明了 jQWidgets jqxCheckBoxGroupval()方法。

HTML


<!DOCTYPE html> 
<html lang="en"> 
  
<head> 
    <link rel="stylesheet" href= 
        "jqwidgets/styles/jqx.base.css" type="text/css" /> 
    <link rel="stylesheet" href= 
        "jqwidgets/styles/jqx.energyblue.css"> 
    <script type="text/javascript"
        src="scripts/jquery-1.11.1.min.js"></script> 
    <script type="text/javascript"
        src="jqwidgets/jqxcore.js"></script> 
    <script type="text/javascript"
        src="jqwidgets/jqxcheckbox.js"></script> 
    <script type="text/javascript"
        src="jqwidgets/jqxcheckboxgroup.js"></script> 
    <script type="text/javascript"
        src="jqwidgets/jqxbuttons.js"></script> 
      
    <style> 
        body { 
            margin-left: 100px; 
        } 
  
        .jqxcheckboxgroup { 
            margin-left: 50px; 
        } 
    </style> 
</head> 
  
<body> 
    <center> 
        <h1 style="color: green;"> 
            GeeksforGeeks 
        </h1> 
  
        <h3> 
            jQWidgets jqxCheckBoxGroup val() Method 
        </h3> 
  
        <h4>Select your Company name:</h4> 
  
        <div class='jqxcheckboxgroup'>GfG</div> 
        <div class='jqxcheckboxgroup'>TCS</div> 
        <div class='jqxcheckboxgroup'>Capgemni</div> 
        <div class='jqxcheckboxgroup'>Wipro</div> 
        <br> 
        <input type="button" style="margin: 5px;" 
               id="btn" value="Click here" /> 
        <div id="log"></div> 
  
        <script type="text/javascript"> 
            $(document).ready(function () { 
                $(".jqxcheckboxgroup").jqxCheckBox({ 
                    theme: 'energyblue', 
                }); 
                $("#btn").jqxButton({ 
                    width: 180, 
                    theme: 'energyblue', 
                }); 
                $('#btn').jqxButton(). 
                    click(function () { 
                        var v = $('.jqxcheckboxgroup').jqxCheckBox('val'); 
                        $('#log').text(v); 
                    }); 
            });     
        </script> 
    </center> 
</body> 
  
</html>

輸出：

示例 2：下麵是jqxCheckBoxGroup的另一個例子val()jQWidgets 中的方法。

HTML


<!DOCTYPE html> 
<html lang="en"> 
  
<head> 
    <link rel="stylesheet" href= 
        "jqwidgets/styles/jqx.base.css" type="text/css" /> 
    <link rel="stylesheet" href= 
        "jqwidgets/styles/jqx.energyblue.css"> 
    <script type="text/javascript"
        src="scripts/jquery-1.11.1.min.js"></script> 
    <script type="text/javascript"
        src="jqwidgets/jqxcore.js"></script> 
    <script type="text/javascript"
        src="jqwidgets/jqxcheckbox.js"></script> 
    <script type="text/javascript"
        src="jqwidgets/jqxcheckboxgroup.js"></script> 
    <script type="text/javascript"
        src="jqwidgets/jqxbuttons.js"></script> 
      
    <style> 
        body { 
            margin-left: 100px; 
        } 
  
        .jqxcheckboxgroup { 
            margin-left: 50px; 
        } 
    </style> 
</head> 
  
<body> 
    <center> 
        <h1 style="color: green;"> 
            GeeksforGeeks 
        </h1> 
  
        <h3> 
            jQWidgets jqxCheckBoxGroup val() Method 
        </h3> 
  
        <h4>Select your Company name:</h4> 
  
        <div class='jqxcheckboxgroup'>GfG</div> 
        <div class='jqxcheckboxgroup'>TCS</div> 
        <div class='jqxcheckboxgroup'>Capgemni</div> 
        <div class='jqxcheckboxgroup'>Wipro</div> 
        <br> 
        <input type="button" style="margin: 5px;" 
               id="btn" value="Click here" /> 
        <div id="log"></div> 
  
        <script type="text/javascript"> 
            $(document).ready(function () { 
                $(".jqxcheckboxgroup").jqxCheckBox({ 
                    theme: 'energyblue', 
                }); 
                $("#btn").jqxButton({ 
                    width: 180, 
                    theme: 'energyblue', 
                }); 
                $('#btn').jqxButton(). 
                    click(function () { 
                        var v = $('.jqxcheckboxgroup').jqxCheckBox('val'); 
                        if (v === null) { 
                            $('#log').text("Null!"); 
                        } 
                        else { 
                            $('#log').text("Not null!"); 
                        } 
                    }); 
            }); 
        </script> 
    </center> 
</body> 
  
</html>

輸出：

參考： https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxcheckboxgroup/jqxcheckboxgroup-api.htm?search=

相關用法

注：本文由純淨天空篩選整理自nidhi1352singh大神的英文原創作品 jQWidgets jqxCheckBoxGroup val() Method。非經特殊聲明，原始代碼版權歸原作者所有，本譯文未經允許或授權，請勿轉載或複製。